CN114503948B - Comprehensive culture pond module under yellow catfish summer flower to adult fish continuous culture mode - Google Patents
Comprehensive culture pond module under yellow catfish summer flower to adult fish continuous culture mode Download PDFInfo
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- CN114503948B CN114503948B CN202210234605.1A CN202210234605A CN114503948B CN 114503948 B CN114503948 B CN 114503948B CN 202210234605 A CN202210234605 A CN 202210234605A CN 114503948 B CN114503948 B CN 114503948B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
- A01K63/006—Accessories for aquaria or terraria
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a comprehensive culture pond module in a continuous culture mode from summer flowers of pelteobagrus fulvidraco to adult fishes, which comprises a summer flower culture pond, wherein a culture Chi Duanmian baffle is inserted into the open end of the summer flower culture pond, a culture pond bottom plate is fixed at the bottom of the summer flower culture pond, a bottom plate support frame and universal wheels are connected to the bottom of the culture pond bottom plate, a bottom plate extension plate is sleeved in the culture pond bottom plate, a bottom plate end plate is vertically fixed on the bottom plate extension plate, two parallel beam plates are connected between the bottom plate end plate and the summer flower culture pond, a plurality of pairs of beam support rods and a plurality of opposite side plates are connected between the two beam plates and the bottom plate extension plate, and a separation net frame is inserted between each pair of beam support rods. According to the invention, the summer flower culture pond and the adult fish culture pond are mutually communicated, so that the summer flowers can be separated on the premise of no need of fishing, the abrasion to fish bodies caused by fishing the summer flowers can be avoided, and the death rate of pelteobagrus fulvidraco is greatly reduced.
Description
Technical Field
The invention relates to a culture pond for continuous culture of pelteobagrus fulvidraco, in particular to a comprehensive culture pond module in a pelteobagrus fulvidraco summer flower-adult fish continuous culture mode, and belongs to the application field of aquatic animal culture research equipment.
Background
Yellow catfish (Pelteobagrus fulvidraco), belonging to the genus yellow catfish of the family of the crataegus, is a common benthic freshwater fish, is mainly distributed in the Yangtze river system and the Zhujiang river system of China, and is one of the most important aquatic economic cultivation objects in China in recent years. The plant growth regulator has the characteristics of high growth speed, easy storage and maintenance, low temperature and low oxygen resistance, transportation resistance and the like, and is popular in the market; in addition, the pelteobagrus fulvidraco has high nutritive value and medicinal value, has the efficacy of nourishing the body, and is deeply favored by consumers. Along with the development of pelteobagrus fulvidraco cultivation towards high-benefit and intensive cultivation, the artificial cultivation range of pelteobagrus fulvidraco is wider and wider.
The stocking density is one of the most important environmental factors in aquaculture, and the high stocking density can maximally improve the yield of the intensive culture mode, but also can cause stress reaction of fishes, and can negatively influence the growth, meat quality, disease resistance and the like of the fishes. In addition, in the aquaculture process, the water quality is greatly influenced by the stocking density, and the water quality has very important influence on the survival, growth, quality and the like of fishes. The longer the cultivation time, the more obvious the cultivation density influences the water body, the higher the density, and the worse the water quality. Under the high-density artificial culture background of pelteobagrus fulvidraco, the culture water body is worsened, diseases are frequently generated, and the pelteobagrus fulvidraco 'spring and violence' of the middle and the east China is heavy to strike the whole pelteobagrus fulvidraco culture industry from 2020, so that the research on the optimal culture density and scientific management of the pelteobagrus fulvidraco has important significance.
Most of culture ponds used in the aquatic product research laboratory when carrying out the most suitable cultivation density research of pelteobagrus fulvidraco are cement ponds or indoor culture ponds, pelteobagrus fulvidraco scale culture includes that the fry is temporarily cultivated and just hatched to 0.9cm, summer flowers are cultivated 1.0-5 cm, and large-scale adult fish is cultivated more than 5cm three stages, and because the density of summer flowers cultivation is different from that of adult fish cultivation, after summer flowers are cultivated, summer flowers need to be separated into ponds, and then adult fish cultivation is continued, and when summer flowers are separated into ponds, fish bodies are often damaged in the fishing process, so that fish body death is caused, and the follow-up experimental process and research result are affected.
Chinese patent CN 206851768U discloses a large-scale pelteobagrus fulvidraco breeding system, each breeding pond is internally provided with a plurality of breeding devices, each breeding device is of an independent structure and is suspended in the breeding pond through a lifting rope, and the breeding system is convenient for salvaging pelteobagrus fulvidraco, but can not avoid damage to fish body during salvaging.
Chinese patent CN 208639342N discloses a pelteobagrus fulvidraco culture system, including breed pond and three continuous breed casees of placing in breed pond, the volume of three continuous breed casees increases gradually along with the growth stage of pelteobagrus fulvidraco, can satisfy the summer flowers and carry out the requirement of branch pond under the prerequisite that need not to catch, but this kind of breed pond occupation space is great, and can't accomplish the requirement that the flexibility changed into fish culture space.
Therefore, researches on a culture pond capable of being used for continuously culturing pelteobagrus fulvidraco summer flowers to adult fish are urgently needed, and meanwhile requirements of small occupied space and pertinently changeable volume of the adult fish culture pond for pelteobagrus fulvidraco indoor culture researches are met.
Disclosure of Invention
The invention aims to solve the problems and provides a comprehensive culture pond module in a continuous culture mode from summer flowers of pelteobagrus fulvidraco to adult fish.
The technical scheme is that the integrated culture pond module in the continuous culture mode of yellow catfish summer flowers to adult fish comprises a summer flower culture pond, wherein a water inlet pipe and a water outlet pipe are connected to the summer flower culture pond, the right end of the summer flower culture pond is of an opening structure, a culture Chi Duanmian baffle is inserted into the opening end of the summer flower culture pond, a culture pond bottom plate of a hollow structure is fixed at the bottom of the summer flower culture pond, a bottom plate supporting frame and universal wheels with telescopic length are connected to the bottom of the culture pond bottom plate, a slidable bottom plate extending plate is sleeved in the culture pond bottom plate, a bottom plate end plate is vertically fixed to the bottom plate extending plate, two parallel beam plates are connected between the bottom plate end plate and the summer flower culture pond, a plurality of pairs of beam supporting rods and a plurality of opposite side plates are connected between the two beam supporting plates, each side plate is clamped between two adjacent beam supporting rods, a separation net frame is inserted between each pair of beam supporting rods, and two extending plates are arranged at the bottom of the bottom plate extending plate.
Preferably, the right end of the summer flower cultivation pond is provided with a concave connecting frame, the end face baffle of the cultivation pond is inserted between the summer flower cultivation pond and the concave connecting frame, a buckle group is connected between the summer flower cultivation pond and the concave connecting frame, two ends of a beam plate are respectively fixed between the bottom plate end plate and the concave connecting frame, the right end face of the concave connecting frame is provided with a pair of connecting frame grooves, the left end face of the bottom plate end plate is provided with a pair of end plate grooves, the beam plate is provided with a plurality of side plate slots, the beam support rod is positioned between two adjacent side plate slots, the side plates penetrate through the side plate slots, the side plate slots positioned on the leftmost side of the beam plate correspond to the connecting frame grooves on the concave connecting frame, and the side plate slots positioned on the rightmost side of the beam plate correspond to the end plate grooves on the bottom plate end plate.
Preferably, the right end face of the summer flower culture pond and the left end face of the concave connecting frame are provided with opposite concave end face baffle grooves, the end face baffle of the culture pond is embedded in the concave end face baffle grooves, the right end face of the summer flower culture pond is provided with concave sealing strip grooves, the concave sealing strip grooves are positioned on the periphery of the concave end face baffle grooves, and the left end face of the concave connecting frame is provided with concave sealing strips which are opposite to the concave sealing strip grooves.
Preferably, the buckle group includes two welded plates, setting element and pull ring, and two welded plates are fixed respectively summer flower culture pond with on "concave" connecting frame lateral wall, the setting element is fixed and is located on the welded plate on the summer flower culture pond, the pull ring is fixed and is located on the welded plate on the "concave" connecting frame, the setting element card is in on the pull ring.
Preferably, the locating piece comprises a square tube and a pushing plate, the pushing plate is embedded in the Fang Tongguan, a spring column is connected between the pushing plate and the square tube, a pushing pulling piece is connected to the outer end face of the pushing plate, a right angle plate is connected to the inner end face of the pushing plate, the right angle plate and the pushing plate are of an integrated structure, two pull ring supports are fixed on a welding plate on the concave connecting frame, and the pull ring is connected between the two pull ring supports.
Preferably, the side board slot both ends all are equipped with arc type spacing groove, side board left and right both sides all are connected with arc type spacing, arc type spacing with arc type spacing groove assorted, be equipped with a plurality of screw holes on the crossbeam board, the screw hole is located side board slot left and right both sides, crossbeam bracing piece upper end is connected with the threaded pin, the threaded pin spiral is fixed on the screw hole, be equipped with relative arc type logical groove on crossbeam bracing piece left and right both sides wall, arc type logical groove with arc type spacing groove is corresponding.
Preferably, the side panel comprises a side panel A, a side panel B and a side panel C, wherein the bottom surface of the side panel B is of a Z-shaped structure, a through hole is formed in the side panel C, and a through hole plug is embedded in the through hole.
Preferably, the end face in the beam support rod is provided with a net frame limiting groove, the inner wall of the summer flower culture pond is provided with a relative net frame slot, the separation net frame comprises an outer frame and separation nets, the left side wall and the right side wall of the outer frame are respectively provided with a clamping groove, the clamping grooves are internally embedded with separation net frame clamping strips, at least three second spring columns are connected between the separation net frame clamping strips and the clamping strip grooves, and the separation net frame clamping strips are matched with the net frame limiting grooves/the net frame slots.
Preferably, the bottom plate extension board includes hollow structure's extension board A and extension board B, the bottom plate end plate is fixed on the extension board B, the extension board B inlays in the extension board A, the extension board A inlays in the breed pond bottom plate, breed pond bottom plate with all be equipped with two pulley grooves on the inside bottom surface of extension board A, extension board A with all be connected with a pair of pulley on the extension board B bottom surface, the pulley inlays in the pulley groove, breed pond bottom plate, extension board A and extension board B surface all are equipped with a plurality of contralateral panel spacing grooves and a plurality of pairs of spacing post recesses, spacing post recess is located between two adjacent side panel spacing grooves, the side panel bottom inlays in the side panel spacing inslot, crossbeam bracing piece bottom is fixed with the spacing post, the spacing post card is in the spacing post recess, extension board A with extension board B surface all is equipped with a pair of screw thread groove, breed bottom plate with extension board A surface all is connected with a pair of screw thread, screw thread phase-match with the screw thread phase-match fixed pin.
Preferably, the bottom plate support frame includes that the bottom is fixed stay outer tube, interior support column and No. three spring posts of opening structure, interior support column inlays in the fixed stay outer tube, no. three spring posts are located interior support column with between the fixed stay outer tube, interior support column bottom is connected with the support frame collet panel, be equipped with "L" logical groove on the fixed stay outer tube lateral wall, no. three spring posts upper and lower both ends all are connected with connecting panel, be located the connecting panel bolted connection of No. three spring posts top is in the inside top surface of fixed stay outer tube, be located the connecting panel bolted connection of No. three spring posts below is in interior support column upper surface, be located be connected with the footboard on the connecting panel lateral wall of No. three spring posts below, the footboard runs through "L" logical groove.
The beneficial effects of the invention are as follows: the invention discloses a comprehensive culture pond module under a continuous culture mode from summer flowers of pelteobagrus fulvidraco to adult fish, which has the following advantages,
1. on the basis of the existing indoor rectangular culture pond structure, the invention changes the existing indoor rectangular culture pond into an open structure at one end, a culture Chi Duanmian baffle is inserted on the open end, a culture pond bottom plate is additionally arranged at the bottom of the culture pond, a slidable bottom plate extension plate is sleeved in the culture pond bottom plate, the length of the culture pond bottom plate can be prolonged by stretching the bottom plate extension plate, and the adult fish culture pond is surrounded by a beam plate, a side plate and a bottom plate end plate, and a plurality of separation net frames are arranged in the adult fish culture pond to divide the adult fish culture pond into a plurality of culture spaces which can be used as parallel research groups for adult fish culture;
2. According to the invention, the summer flower culture pond and the adult fish culture pond are communicated with each other, so that the summer flowers can be separated without fishing, the abrasion to fish bodies caused by fishing the summer flowers is avoided, and the death rate of pelteobagrus fulvidraco is greatly reduced; the size of the adult fish culture pond can be selected in a targeted manner according to the culture density, and the occupied space is small;
3. the telescopic bottom plate support frame and the universal wheels are arranged on the bottom plate of the culture pond, the bottom plate support frame is stretched and fixed on the ground, the summer flower culture pond is fixed, the bottom plate support frame is retracted, the summer flower culture pond can move under the action of the universal wheels, and the cleaning, the normalization and the placement of the summer flower culture pond by researchers are facilitated.
Drawings
Fig. 1 is a schematic diagram of a culture pond structure in a summer flower culture mode of pelteobagrus fulvidraco.
Fig. 2 is a schematic diagram of a culture pond structure in a pelteobagrus fulvidraco adult fish culture mode.
Fig. 3 is a schematic view of the structure of the side panels and the cross beam plates and the cross beam support bars of the present invention connected to each other.
Fig. 4 is a schematic structural view of side panels a, B and C of the present invention.
FIG. 5 is a schematic diagram of the connection structure of the summer flower cultivation pond and the concave connecting frame.
Fig. 6 is a schematic structural view of the end panel of the floor of the present invention.
Fig. 7 is a schematic view of the structure of the separation frame of the present invention.
Fig. 8 is a schematic structural view of the buckle set of the present invention.
FIG. 9 is a schematic view of the connection of the tab and the weld plate of the present invention.
FIG. 10 is a schematic view of the connection structure of the bottom plate and the bottom plate extension plate of the culture pond according to the invention.
Fig. 11 is a schematic view of the bottom surface structure of the extension board a according to the present invention.
FIG. 12 is a schematic view of the bottom surface structure of the bottom plate of the culture pond according to the invention.
Fig. 13 is a schematic structural view of the floor support of the present invention.
In the figure: 1. summer flower cultivation pond, 2, water inlet pipe, 3, water outlet pipe, 4, cultivation pond bottom plate, 5, bottom plate supporting frame, 6, universal wheel, 7, "concave" type connection frame, 8, buckle group, 9, cultivation Chi Duanmian baffle, 10, bottom plate extension plate, 10-1, extension plate A,10-2, extension plate B,11, extension plate supporting bracket, 12, bottom plate end plate, 13, cross beam plate, 14, cross beam supporting rod, 15, side plate limit groove, 16, side plate, 16-1, side plate A,16-2, side plate B,16-3, side plate C,17, separation net frame, 17-1, outer frame, 17-2, separation net, 18, net frame slot, 19, through hole, 20, side plate slot, 21, arc type limit groove, 22, arc type limit bar, 23, threaded hole, 24, threaded pin, 25, limit post, 26, net frame limit groove, 27, arc-shaped through grooves, 28, clamping strip grooves, 29, separation net frame clamping strips, 30, second spring columns, 31, concave end face baffle grooves, 32, concave sealing strip grooves, 33, concave sealing strips, 34, connecting frame grooves, 35, end panel grooves, 36, welding plates, 37, fang Tongguan, 38, pushing plates, 39, pushing pulling plates, 40, first spring columns, 41, right angle plates, 42, pull ring brackets, 43, pull rings, 44, limit column grooves, 45, threaded fixing pins, 46, threaded grooves, 47, pulley grooves, 48, pulleys, 49, support frame bottom support panels, 50, third spring columns, 51, connecting panels, 52, L-shaped through grooves, 53, pedals, 54, positioning pieces, 55, through hole plugs, 56, inner support columns, 57 and fixed support outer tubes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner" and "outer" are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a yellow catfish summer flowers to integrated culture pond module under the continuous mode of breeding of adult fish, as shown in fig. 1, including summer flowers breed pond 1, be connected with inlet tube 2 and drain pipe 3 on the summer flowers breed pond 1, summer flowers breed pond 1 is on the basis of current indoor rectangular breed pond structure, changes its right-hand member into open structure, it breeds pond end face baffle 9 to insert on the open end of summer flowers breed pond 1, breeds pond end face baffle 9 sealing connection on summer flowers breed pond 1 right-hand member face, summer flowers breed pond 1 bottom is fixed with hollow structure's breed pond bottom plate 4, breed pond bottom plate 4 bottom is connected with length telescopic bottom plate support frame 5 and universal wheel 6, stretches and fixes subaerial with bottom plate support frame 5, and summer flowers breed pond 1 is fixed, and with bottom plate support frame 5 retract, and summer flowers breed the pond can be removed under the effect of universal wheel 6, the researcher of being convenient for to clean, regular and settle summer flowers breed the pond.
As shown in fig. 2, the bottom plate 4 of the culture pond is sleeved with a slidable bottom plate extension plate 10, a bottom plate end plate 12 is vertically fixed on the bottom plate extension plate 10, two parallel beam plates 13 are connected between the bottom plate end plate 12 and the summer flower culture pond 1, a plurality of pairs of beam support rods 14 and a plurality of side plates 16 are connected between the two beam support rods 13 and the bottom plate extension plate 10, each side plate 16 is clamped between two adjacent beam support rods 14, after the culture pond end face baffle 9 is opened, the space enclosed by the side plates 16, the bottom plate extension plate 10 and the bottom plate end plate 12 is communicated with the summer flower culture pond 1 to form a fish culture pond, the condition that summer flowers are separated on the premise of not fishing is satisfied, damage to fish bodies caused by fishing the summer flowers is avoided, and the death rate in the summer flower separation pond process is reduced; meanwhile, the length of the bottom plate extension plate 10 can be adjusted according to the quantity of summer flowers and the density of adult fish culture, so that the aim of adjusting the size of an adult fish culture pond is fulfilled; a separation net frame 17 is inserted between each pair of the cross beam support rods 14, and the separation net frame 17 can divide the adult fish culture pond into a plurality of culture spaces and can be used for parallel group culture required in the experimental research process; the bottom of the bottom plate extension plate 10 is provided with two extension plate support brackets 11, and because the bottom plate extension plate 10 is higher than the ground, after the bottom plate extension plate 10 is filled with water, the weight born by the bottom plate extension plate 10 is large, and after the two extension plate support brackets 11 are additionally arranged, the extension plate support brackets 11 can play a supporting role on the bottom plate extension plate 10, so that the stability of the whole adult fish culture pond is improved.
The model of the summer flower culture pond 1 adopted by the invention is 3m multiplied by 1.2m multiplied by 1.5m (length multiplied by width multiplied by height).
As shown in fig. 1 and 2, the right end of the summer flower cultivation pond 1 is provided with a concave connecting frame 7, a cultivation pond end face baffle 9 is inserted between the summer flower cultivation pond 1 and the concave connecting frame 7, a buckle group 8 is connected between the summer flower cultivation pond 1 and the concave connecting frame 7, and the buckle group 8 is used for fixing the concave connecting frame 7 on the summer flower cultivation pond 1 and improving the tightness between the cultivation pond end face baffle 9 and the summer flower cultivation pond 1.
As shown in fig. 2, two ends of the beam plate 13 are respectively fixed between the bottom plate end panel 12 and the concave connecting frame 7 through threaded pins, as shown in fig. 5, a pair of connecting frame grooves 34 are formed on the right end surface of the concave connecting frame 7, as shown in fig. 6, a pair of end panel grooves 35 are formed on the left end surface of the bottom plate end panel 12, as shown in fig. 3, a plurality of side panel slots 20 are formed on the beam plate 13, the beam support rods 14 are located between two adjacent side panel slots 20, the side panels 16 penetrate through the side panel slots 20, the side panel slots 20 located on the leftmost side of the beam plate 13 correspond to the connecting frame grooves 34 on the concave connecting frame 7, the side panel slots 20 located on the rightmost side of the beam plate 13 correspond to the end panel grooves 35 on the bottom plate end panel 12, and the side panels 16 penetrate through the side panel slots 20 and are embedded in the connecting frame grooves 34/the end panel grooves 35.
As shown in fig. 5, the right end surface of the summer flower cultivating pool 1 and the left end surface of the concave connecting frame 7 are provided with opposite concave end surface baffle grooves 31, the cultivating pool end surface baffle 9 is embedded in the concave end surface baffle grooves 31, the right end surface of the summer flower cultivating pool 1 is provided with concave sealing strip grooves 32, the concave sealing strip grooves 32 are positioned at the periphery of the concave end surface baffle grooves 31, the left end surface of the concave connecting frame 7 is provided with concave sealing strips 33, the concave sealing strips 33 are opposite to the concave sealing strip grooves 32, the concave sealing strips 33 are made of rubber or PVC, the concave sealing strips 33 are embedded in the concave sealing strip grooves 32, the summer flower culture pond 1 is in sealing connection with the concave connecting frames 7, when the beam plates 13 are fixed on the concave connecting frames 7 and the bottom plate end plates 12 as shown in fig. 2, the concave connecting frames 7 are fixed under the supporting action of the beam plates 13, in this case, if the buckle group 8 is opened, the concave sealing strips 33 on the concave connecting frames 7 are still embedded in the concave sealing strip grooves 32, and large-scale water leakage phenomenon cannot occur due to the opening of the buckle group 8, so that the buckle group 8 can be opened under the condition, and the culture pond end baffle 9 can be taken out.
As shown in fig. 8, the buckle group 8 includes two welding plates 36, a positioning member 54 and a pull ring 43, as shown in fig. 1 and 2, the two welding plates 36 are respectively fixed on the side walls of the summer flower culture pond 1 and the concave connecting frame 7, the positioning member 54 is fixed on the welding plate 36 positioned on the summer flower culture pond 1, the pull ring 43 is fixed on the welding plate 36 positioned on the concave connecting frame 7, and the positioning member 54 is clamped on the pull ring 43.
As shown in fig. 8, the positioning member 54 includes a square tube 37 and a pushing plate 38, one end of the pushing plate 38 and Fang Tongguan is a sealing structure, the pushing plate 38 is embedded in the square tube 37, a first spring post 40 is connected between the pushing plate 38 and the square tube 37, a pushing pulling piece 39 is connected to the outer end surface of the pushing plate 38, a rectangular plate 41 is connected to the inner end surface of the pushing plate 38, the rectangular plate 41 and the pushing plate 38 are in an integral structure, as shown in fig. 9, two pull ring brackets 42 are fixed on a welding plate 36 on the concave connecting frame 7, the pull ring 43 is connected between the two pull ring brackets 42 by bolts, the pull ring 43 can turn over relative to the pull ring brackets 42, the pushing pulling piece 39 is pushed forward until the rectangular plate 41 is hung on the pull ring 43, at this time, the first spring post 40 is in a tensioning state, the pushing plate 38 is pulled back under the action of restoring force, the rectangular plate 41 is clamped on the lock catch 43 under the action of the restoring force, and the lock catch group 8 is in a locking state; the tab 39 is pushed forward, and the right angle plate 41 is removed from the tab 43.
As shown in fig. 3, the two ends of the side panel slot 20 are respectively provided with an arc-shaped limit groove 21, the left side and the right side of the side panel 16 are respectively connected with an arc-shaped limit bar 22, the length of the arc-shaped limit bar 22 is smaller than the height of the side panel 16, the arc-shaped limit bars 22 are made of rubber or PVC, the arc-shaped limit bars 22 are matched with the arc-shaped limit grooves 21, the beam plate 13 is provided with a plurality of threaded holes 23, the threaded holes 23 are positioned on the left side and the right side of the side panel slot 20, the upper end of the beam support bar 14 is connected with a threaded pin 24, the threaded pins 24 are spirally fixed on the threaded holes 23, the left side and the right side of the beam support bar 14 are respectively provided with opposite arc-shaped through grooves 27, the arc-shaped through grooves 27 correspond to the arc-shaped limit grooves 21, as shown in fig. 5, the end panel grooves 35 are also made of arc-shaped structures, the connecting frame grooves 34 and the end panel grooves 35 correspond to the arc-shaped limit grooves 21, and the end panel grooves 35 are respectively embedded in the arc-shaped limit grooves 34 on the two sides of the side panel slot 20.
As shown in fig. 4, the side panel 16 includes a side panel a16-1, a side panel B16-2, and a side panel C16-3, wherein the bottom surface of the side panel B16-2 has a "Z" structure, a through hole 19 is formed in the side panel C16-3, and a through hole plug 55 is embedded in the through hole 19.
Because the height difference exists between the culture pond bottom plate 4 and the bottom plate extension plate 10, if the side plate A16-1 with the bottom surface of a horizontal structure is adopted between the culture pond bottom plate 4 and the bottom plate extension plate 10, a sealing structure cannot be realized, and therefore, the side plate B16-2 with the bottom surface of a Z-shaped structure is required to be adopted between the culture pond bottom plate 4 and the bottom plate extension plate 10, and sealing connection can be realized; the number of the side panels C16-3 is one, and the side panels C16-3 are connected with the end panel 12 of the bottom plate, in the formed adult fish culture pond, the drain pipe 3 on the original summer flower culture pond 1 needs to be closed, and the drain is completed by utilizing the through holes 19 on the side panels C16-3.
As shown in fig. 3, a frame limiting groove 26 is formed in the inner end surface of the beam supporting rod 14, as shown in fig. 1, opposite frame slots 18 are formed in the inner wall of the summer flower culture pond 1, as shown in fig. 7, the separation frame 17 comprises an outer frame 17-1 and separation nets 17-2, clamping grooves 28 are formed in the left side wall and the right side wall of the outer frame 17-1, separation frame clamping strips 29 are embedded in the clamping grooves 28, at least three second spring columns 30 are connected between the separation frame clamping strips 29 and the clamping strip grooves 28, and the separation frame clamping strips 29 are matched with the frame limiting grooves 26/the frame slots 18.
The separation net frame clamping strips 29 are pressed inwards until the separation net frame clamping strips 29 retract into the clamping strip grooves 28, the second spring columns 30 are in a compressed state at the moment, the outer frame 17-1 is placed between the pair of beam support rods 14 and between the pair of net frame slots 18, the pressure on the separation net frame clamping strips 29 is released, the separation net frame clamping strips 29 are ejected out of the clamping strip grooves 28 under the restoring force of the second spring columns 30 and are embedded into the net frame limiting grooves 26 and the net frame slots 18, and the installation of the separation net frame 17 is completed.
The separation net frame 17 divides the adult fish culture pond into a plurality of culture spaces, and the parallel group culture in the experimental culture process can be used for selectively installing the number of the separation net frames 17 according to the requirements of culture quantity and density in practical application.
The size of the separation net 17-2 adopted by the invention is 20-30 meshes.
As shown in fig. 10, the bottom plate extension plate 10 comprises an extension plate a10-1 and an extension plate B10-2 with hollow structures, the bottom plate end plate 12 is fixed on the extension plate B10-2, the extension plate B10-2 is embedded in the extension plate a10-1, the extension plate a10-1 is embedded in the culture pond bottom plate 4, two pulley grooves 47 are respectively arranged on the bottom surfaces of the culture pond bottom plate 4 and the extension plate a10-1, as shown in fig. 11, a pair of pulleys 48 are respectively connected on the bottom surfaces of the extension plate a10-1 and the extension plate B10-2, the pulleys 48 are embedded in the pulley grooves 47, a plurality of pairs of side plate limit grooves 15 and a plurality of pairs of limit post grooves 44 are respectively arranged on the surfaces of the culture pond bottom plate 4, the extension plate a10-1 and the extension plate B10-2, the side panel limit groove 15 on the bottom plate 4 of the culture pond is communicated with the side panel limit groove 15 on the extending plate A10-1/the side panel limit groove 15 on the extending plate A10-1 and the side panel limit groove 15 on the extending plate B10-2, the limit column groove 44 is positioned between the two adjacent side panel limit grooves 15, as shown in figure 2, the bottom of the side panel 16 is embedded in the side panel limit groove 15, the bottom surfaces of the arc-shaped limit bars 22 on the two sides of the side panel 16 are propped against the bottom surfaces of the bottom plate 4 of the culture pond/the extending plate A10-1/the upper surfaces of the extending plate B10-2, as shown in figure 3, the bottom of the cross beam support bar 14 is fixedly provided with a limit column 25, the limit column 25 is clamped in the limit column groove 44, as shown in figure 10, the surfaces of the extending plate A10-1 and the extending plate B10-2 are provided with a pair of thread grooves 46, the surfaces of the culture pond bottom plate 4 and the extension plate A10-1 are connected with a pair of threaded fixing pins 45, the threaded fixing pins 45 on the culture pond bottom plate 4 are matched with the threaded grooves 46 on the extension plate A10-1, the threaded fixing pins 45 on the extension plate A10-1 are matched with the threaded grooves 46 on the extension plate B10-2, the extension plate A10-1 and the culture pond bottom plate 4/the extension plate B10-2 and the extension plate A10-1 are mutually fixed through the threaded fixing pins 45, rubber layers are paved on the inner surfaces of the culture pond bottom plate 4 and the extension plate A10-1 and the surfaces of the extension plate A10-1 and the extension plate B10-2, and the rubber layers can improve the sealing performance between the extension plate A10-1 and the culture pond bottom plate 4/the extension plate B10-2 and the extension plate A10-1 and prevent water leakage.
Because the height difference exists between the extension plate A10-1 and the extension plate B10-2, the upper surface of the extension plate support bracket 11 is of a Z-shaped structure, the lower section of the extension plate support bracket 11 is clamped at the bottom of the extension plate A10-1, and the higher section of the extension plate support bracket 11 is clamped at the bottom of the extension plate B10-2; while the side panel 16 between the extension panel a10-1 and the extension panel B10-2 is the side panel B16-2.
Since the pulley 48 is connected to the bottom surfaces of the extension plates A10-1 and B10-2 in the same manner, FIG. 11 can simultaneously show the connection structure of the pulley 48 and the bottom surfaces of the extension plates A10-1 and B10-2.
As shown in fig. 12, the bottom surface of the bottom plate 4 of the culture pond is connected with three universal wheels 6 and four bottom plate supporting frames 5, as shown in fig. 13, the bottom plate supporting frames 5 comprise a fixed supporting outer tube 57 with an opening structure at the bottom, an inner supporting column 56 and a third spring column 50, the inner supporting column 56 is embedded in the fixed supporting outer tube 57, the third spring column 50 is located between the inner supporting column 56 and the fixed supporting outer tube 57, a support frame bottom support panel 49 is connected to the bottom of the inner supporting column 56, an L-shaped through groove 52 is formed in the side wall of the fixed supporting outer tube 57, connecting panels 51 are connected to the upper end and the lower end of the third spring column 50, the connecting panels 51 above the third spring column 50 are connected to the inner top surface of the fixed supporting outer tube 57 in a bolt mode, the connecting panels 51 below the third spring column 50 are connected to the upper surface of the inner supporting column 56 in a bolt mode, pedals 53 are connected to the side walls of the connecting panels 51 below the third spring column 50, and the pedals 53 penetrate through the L-shaped through grooves 52.
The length of the outer fixed support tube 57 is smaller than that of the universal wheel 6, the pedal 53 is stepped down until the pedal 53 is positioned at the bottom of the L-shaped through groove 52, at the moment, the inner support column 56 extends out of the outer fixed support tube 57, the third spring column 50 is in a stretching state, the bottom support panel 49 of the support frame is propped against the ground, the pedal 53 is translated into the horizontal section of the L-shaped through groove 52, and the bottom support frame 5 is propped against the ground; the pedal 53 is translated into the vertical section of the L-shaped through groove 52, the inner support column 56 is retracted into the fixed support outer tube 57 under the restoring force of the third spring column 50, the support frame bottom support panel 49 is separated from the ground, and the culture pond bottom plate 4 can move under the action of the universal wheels 6.
Example one pelteobagrus fulvidraco summer flower cultivation pond in summer flower cultivation mode
The culture pond end face baffle 9 is clamped in a concave end face baffle groove 31 between the summer flower culture pond 1 and the concave connecting frame 7, a concave sealing strip 33 on the concave connecting frame 7 is embedded in a concave sealing strip groove 32 on the summer flower culture pond 1, a push pulling plate 39 on a push pulling plate 38 is pushed forward to be hung on a pull ring 43, a first spring column 40 is in a tensioning state, the pressure on the push pulling plate 39 is released, the first spring column 40 pulls the push pulling plate 38 backwards under the action of restoring force, the right pulling plate 41 is clamped on the pull ring 43 under the action of backward pulling force, the clamping group 8 is in a locking state, the concave connecting frame 7 is fixed on the summer flower culture pond 1, and the culture pond end face baffle 9 is fixed between the summer flower culture pond 1 and the concave connecting frame 7 in a push mode.
The clean water or pond water is injected into the summer flower culture pond 1 through the water inlet pipe 2, the water in the summer flower culture pond 1 is discharged from the water outlet pipe 3 to form stable running water, the water outlet pipe 3 is arranged at the bottom of the summer flower culture pond 1, and dirt in the summer flower culture pond 1 can be discharged while water is discharged.
Placing summer flowers of pelteobagrus fulvidraco in a summer flower culture pond 1 filled with water for culture, wherein the stocking density of the summer flowers of pelteobagrus fulvidraco is 7-9 tails/m 2 Or according to the experimental design.
Example Pelteobagrus fulvidraco adult fish culture pond in culture mode
When the summer flowers of the pelteobagrus fulvidraco are raised to 5cm, pond-separated cultivation can be carried out.
The bottom plate extension plate 10 is pulled out from the culture pond bottom plate 4, the extension plate B10-2 is pulled out from the extension plate A10-1, the extension plate support bracket 11 is clamped at the bottom of the bottom plate extension plate 10, the lower section of the extension plate support bracket 11 is clamped at the bottom of the extension plate A10-1, the higher section of the extension plate support bracket 11 is clamped at the bottom of the extension plate B10-2, the extension plate A10-1 and the culture pond bottom plate 4/the extension plate B10-2 and the extension plate A10-1 are mutually fixed through screw fixing pins 45, the limit posts 25 at the bottom of the beam support rod 14 are clamped in the limit post grooves 44, the two beam plates 13 are fixed between the concave connecting frame 7 and the bottom plate end panel 12, the beam support rod 14 is fixed on the beam plate 13 through screw pins 24, the side plate B16-2 is clamped between the culture pond bottom plate 4 and the extension plate A10-1 and the extension plate B10-2, the side panel C16-3 is clamped on the bottom plate end panel 12, the rest of the side panels A16-1 are installed, the bottoms of the side panels A16-1, B16-2 and C16-3 are embedded in the side panel limiting grooves 15, the pushing pulling plate 39 on the pushing plate 38 is pushed forward, the right angle plate 41 is taken off from the pull ring 43, the extrusion force acting on the end baffle 9 of the culture pond is eliminated, the end baffle 9 of the culture pond can be pulled out, the right angle plate 41 is clamped on the pull ring 43, at the moment, the space surrounded by the summer flower culture pond 1, the side panels 16, the bottom plate extension plate 10 and the bottom plate end panel 12 is the adult fish culture pond, the yellow catfish summer flowers are partitioned according to the culture density, meanwhile, the separation net frame 17 is clamped between the opposite beam support rods 14 and the net frame slots 18, and (5) culturing adult pelteobagrus fulvidraco.
When the end face baffle plate 9 of the culture pond is pulled out, the drain pipe 3 is required to be closed, and after the water level in the adult fish culture pond reaches 1.5m, the through hole plug 55 on the through hole 19 is opened.
In the above embodiment, the side panel 16 has a T-shaped structure, the width of the upper surface of the side panel 16 is larger than the width of the side panel slot 20, and after the bottom of the side panel 16 is fixed in the side panel limiting slot 15, the upper surface of the side panel 16 abuts against the cross beam plate 13, and the upper surface of the side panel 16 is fixed on the cross beam plate 13 by using a threaded pin.
In the cultivation mode, the bottom plate support frame 5 is propped against the ground, and the whole cultivation module is stabilized; after the cultivation mode is finished, the pedal 53 is translated into the vertical section of the L-shaped through groove 52, the inner support column 56 is retracted into the fixed support outer tube 57 under the action of the restoring force of the third spring column 50, the support frame bottom support panel 49 is separated from the ground, and at the moment, the cultivation pool bottom plate 4 can move under the action of the universal wheels 6, so that the operator can conveniently clean, regulate and arrange the summer flower cultivation pool 1.
And (3) cultivation management:
before the yellow catfish summer flower cultivation test starts, soaking a summer flower cultivation pond for 15min by using 0.01% potassium permanganate solution for disinfection; before the summer flowers of pelteobagrus fulvidraco are separated into ponds, an adult fish culture pond surrounded by the side panels 16, the bottom plate extension plates 10 and the bottom plate end panels 12 is soaked with 0.01% potassium permanganate solution for 5min for disinfection.
In the whole cultivation process, the water temperature is controlled at 23-25 ℃, and meanwhile, an oxygenation pump is additionally arranged, and the dissolved oxygen in water is maintained at 7-8 mg/L; feeding feed twice per day, 8:00 am and 16:00 pm respectively; stable running water culture is adopted in the whole culture process, and dirt is sucked once every 7-10 days; the quicklime or other safe disinfectant is sprayed once in a full pool every 15 days to purify and disinfect water, so that excessive organic suspended matters in the water are reduced, and the dosage of the quicklime is not more than 20 g/cubic meter; chinese herbal medicines such as rhubarb, radix isatidis and the like are used every 20 days, and the Chinese herbal medicines are fed for 3 to 5 days according to the addition amount of 0.l to 0.4 percent, so that diseases are prevented.
In summary, according to the comprehensive culture pond module in the continuous culture mode from summer flowers to adult fish of pelteobagrus fulvidraco disclosed by the invention, the summer flower culture pond 1 and the adult fish culture pond are mutually communicated, so that the condition that summer flowers are separated into ponds on the premise of not fishing is met, the abrasion to fish bodies caused by fishing summer flowers is avoided, the death rate of pelteobagrus fulvidraco is greatly reduced, the size of the adult fish culture pond can be selected in a targeted manner according to the culture density, and the occupied space is small; a plurality of separation net frames 17 can be placed in the adult fish culture pond to divide the adult fish culture pond into a plurality of culture spaces as parallel research groups in the adult fish culture experiment process; meanwhile, the summer flower culture pond can be moved under the action of the universal wheels, so that researchers can conveniently clean, arrange and arrange the summer flower culture pond, and the summer flower culture pond provided by the invention has a wide application prospect in indoor culture research of pelteobagrus fulvidraco as a comprehensive culture pond module, can be popularized and applied to the intensive production and culture process of pelteobagrus fulvidraco, can realize real-time supervision, and can avoid explosive death in a pond culture mode by adding a plurality of comprehensive culture pond modules, and greatly reduce the death rate of pelteobagrus fulvidraco.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a yellow catfish summer flowers to integrated culture pond module under the continuous breed mode of adult fish, includes summer flowers breed pond (1), be connected with inlet tube (2) and drain pipe (3), its characterized in that on summer flowers breed pond (1): the right end of the summer flower culture pond (1) is of an opening structure, two parallel beam plates (13) are connected between the summer flower culture pond (1), a plurality of pairs of beam support rods (14) and a plurality of opposite side plates (16) are connected at the bottom of the summer flower culture pond (1), a bottom plate support frame (5) with telescopic length and universal wheels (6) are connected at the bottom of the culture pond bottom plate (4), a slidable bottom plate extension plate (10) is sleeved in the culture pond bottom plate (4), a bottom plate end plate (12) is vertically fixed on the bottom plate extension plate (10), two parallel beam plates (13) are connected between the bottom plate end plate (12) and the summer flower culture pond (1), a plurality of pairs of beam support rods (14) and a plurality of opposite side plates (16) are connected between the two adjacent beam support rods (14), a separation net frame (17) is inserted between each pair of beam support rods (14), a bottom plate extension plate (10) is provided with a bracket (11), a concave flower support frame (7) is connected between the two bracket (7) and the summer flower support plates (1), the summer flower cultivation pond (1) and the concave connecting frame (7) are connected with a buckle group (8), two ends of the beam plate (13) are respectively fixed between the bottom plate end panel (12) and the concave connecting frame (7), a pair of connecting frame grooves (34) are formed in the right end face of the concave connecting frame (7), a pair of end panel grooves (35) are formed in the left end face of the bottom plate end panel (12), a plurality of side panel slots (20) are formed in the beam plate (13), the beam support rod (14) is positioned between two adjacent side panel slots (20), the side panel (16) penetrates through the side panel slots (20), the side panel slots (20) at the leftmost side on the beam plate (13) correspond to the connecting frame grooves (34) on the concave connecting frame (7), the side panel slots (20) at the rightmost side on the beam plate (13) correspond to the end panel grooves (35) on the bottom plate end panel (12), the summer flower cultivation pond (1) and the concave baffle (31) are embedded in the concave baffle (31), the right end face of the summer flower culture pond (1) is provided with a concave sealing strip groove (32), the concave sealing strip groove (32) is positioned on the periphery of the concave end face baffle groove (31), the left end face of the concave connecting frame (7) is provided with a concave sealing strip (33), the concave sealing strip (32) is opposite to the concave sealing strip groove (32), the buckle group (8) comprises two welding plates (36), a positioning piece (54) and a pull ring (43), the two welding plates (36) are respectively fixed on the side walls of the summer flower culture pond (1) and the concave connecting frame (7), the positioning piece (54) is fixed on the welding plate (36) positioned on the summer flower culture pond (1), the pull ring (43) is fixed on the welding plate (36) positioned on the concave connecting frame (7), the positioning piece (54) is clamped on the bottom plate (43), the bottom plate (5) comprises a support post (57) and a support post (57) which is fixed in an opening, the support post (50) is embedded in the support post (57), the utility model discloses a support frame, including support column (56), fixed support outer tube (57) are connected with support frame collet panel (49), be equipped with "L" logical groove (52) on the lateral wall of fixed support outer tube (57), no. three spring column (50) upper and lower both ends all are connected with connection panel (51), are located connection panel (51) bolted connection of No. three spring column (50) top is in the inside top surface of fixed support outer tube (57), be located connection panel (51) bolted connection of No. three spring column (50) below is in interior support column (56) upper surface, be located be connected with footboard (53) on connection panel (51) lateral wall of No. three spring column (50) below, footboard (53) run through "L" type logical groove (52).
2. The integrated culture pond module in a pelteobagrus fulvidraco summer flower-to-adult fish continuous culture mode according to claim 1, wherein: the locating piece (54) comprises a Fang Tongguan (37) and a pushing plate (38), the pushing plate (38) is embedded in the Fang Tongguan (37), a spring column (40) is connected between the pushing plate (38) and the Fang Tongguan (37), a pushing pulling piece (39) is connected to the outer end face of the pushing plate (38), a rectangular plate (41) is connected to the inner end face of the pushing plate (38), the rectangular plate (41) and the pushing plate (38) are of an integral structure, two pull ring brackets (42) are fixed on a welding plate (36) on the concave connecting frame (7), and a pull ring (43) is connected between the two pull ring brackets (42).
3. The integrated culture pond module in a pelteobagrus fulvidraco summer flower-to-adult fish continuous culture mode according to claim 1, wherein: the utility model discloses a side board slot (20), including side board slot (20), crossbeam bracing piece (14), arc type spacing groove (21) are all equipped with at side board slot (20) both ends, side board (16) left and right both sides all are connected with arc type spacing (22), arc type spacing (22) with arc type spacing groove (21) assorted, be equipped with a plurality of screw holes (23) on crossbeam board (13), screw hole (23) are located side board slot (20) left and right both sides, crossbeam bracing piece (14) upper end is connected with threaded pin (24), threaded pin (24) spiral is fixed on screw hole (23), be equipped with relative arc type logical groove (27) on crossbeam bracing piece (14) left and right both sides wall, arc type logical groove (27) with arc type spacing groove (21) are corresponding.
4. A comprehensive culture pond module in a pelteobagrus fulvidraco summer flower-to-adult fish continuous culture mode according to claim 1 or claim 3, which is characterized in that: the side board (16) comprises a side board A (16-1), a side board B (16-2) and a side board C (16-3), wherein the bottom surface of the side board B (16-2) is of a Z-shaped structure, a through hole (19) is formed in the side board C (16-3), and a through hole plug (55) is embedded in the through hole (19).
5. The integrated culture pond module in a pelteobagrus fulvidraco summer flower-to-adult fish continuous culture mode according to claim 1, wherein: be equipped with frame spacing groove (26) on the terminal surface in crossbeam bracing piece (14), be equipped with relative frame slot (18) on summer flower breed pond (1) inner wall, separate frame (17) including outer frame (17-1) and separation net (17-2), all be equipped with card strip recess (28) on outer frame (17-1) left and right both sides wall, the embedded separation frame card strip (29) that is equipped with of card strip recess (28), separate frame card strip (29) with be connected with at least three No. two spring posts (30) between card strip recess (28), separate frame card strip (29)/frame slot (18) phase-match.
6. The integrated culture pond module in a pelteobagrus fulvidraco summer flower-to-adult fish continuous culture mode according to claim 1, wherein: the bottom plate extension plate (10) comprises an extension plate A (10-1) and an extension plate B (10-2) with hollow structures, the bottom plate end plate (12) is fixed on the extension plate B (10-2), the extension plate B (10-2) is embedded in the extension plate A (10-1), the extension plate A (10-1) is embedded in the culture pond bottom plate (4), two pulley grooves (47) are formed in the inner bottom surfaces of the culture pond bottom plate (4) and the extension plate A (10-1), a pair of pulleys (48) are connected to the bottom surfaces of the extension plate A (10-1) and the extension plate B (10-2), the pulleys (48) are embedded in the pulley grooves (47), a plurality of opposite side plate limit grooves (15) and a plurality of limit post grooves (44) are formed in the surfaces of the culture pond bottom plate (4), the limit post grooves (44) are located between the adjacent side plate A (10-2), the limit post (15) is embedded in the limit post (25) and the limit post (25) is fixed on the bottom surface of the limit post (25), the surface of the extension plate A (10-1) and the surface of the extension plate B (10-2) are respectively provided with a pair of threaded grooves (46), the surfaces of the culture pond bottom plate (4) and the extension plate A (10-1) are respectively connected with a pair of threaded fixing pins (45), and the threaded fixing pins (45) are matched with the threaded grooves (46).
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